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NI (National Instruments) · PXI

PXIe-2529

The NI PXIe-2529 is a 128-crosspoint, 2-wire matrix switch module with a PXI Express interface and electromechanical relays. Different terminal block accessories configure the module as a 4×32 or 8×16 matrix.

ManufacturerNI (National Instruments)
ModelPXIe-2529
Part Number780587-29
Product Type128-Crosspoint, 2-Wire PXI Matrix Switch Module
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Number of Columns16, 32
Crosspoints128
Scan Rate120 cycles/s
Bus ConnectorPXI Express
Maximum Switching Current DC1 A
Maximum Switching Voltage DC150 V
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Overview

Product overview

Key product information and technical features.

The PXIe-2529 provides a configurable matrix switching architecture within the NI PXI ecosystem. Its 128 crosspoints can be arranged as a 4×32 or 8×16 2-wire matrix using different terminal block accessories, so the terminal block is an important part of selecting the required topology.

The module uses electromechanical relays, provides row access, and supports hardware-triggered deterministic operation. It has a specified switch bandwidth of 10 MHz and scan rate of 120 cycles/s. Switching voltage, switching current, and carry-current limits are distinct ratings and must be checked against the complete NI specifications for the intended load.

  • 128-crosspoint, 2-wire matrix switching architecture.
  • Configurable as a 4×32 or 8×16 matrix using different terminal block accessories.
  • Electromechanical relay architecture with 128 relays and row access.
  • 10 MHz switch bandwidth and 120 cycles/s scan rate.
  • Hardware-triggered deterministic operation.
Verified specifications

Technical data

Verified product specifications.

Number of Columns16, 32
Crosspoints128
Scan Rate120 cycles/s
Bus ConnectorPXI Express
Maximum Switching Current DC1 A
Maximum Switching Voltage DC150 V
Number of Rows4, 8
Relay TypeElectromechanical
Switch Bandwidth10 MHz
Mode (n-wire)2-wire
Number of Banks1, 2
Supported Hardware PlatformPXI
Bus ConnectionPXI Express
Maximum Carry Current AC2 A
Maximum Switching Voltage AC150 V
Number of Channels128
Number of Relays128
Row AccessYes
NI part numbers780587-29
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NI

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PXI

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PXIe-2529

This product

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Manuals & software

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Letter Of Volatility (NI)Letter Of Volatility · ni.com
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Getting Started (NI)Getting Started · ni.com
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Specifications (NI)Specifications · ni.com
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Dimensional Drawings (NI)Dimensional Drawings · ni.com
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Product Page (NI)Product Page · ni.com
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FAQ

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Product-specific answers based on available technical information.

What is the part number for the PXIe-2529?

The listed NI part number is 780587-29.

What matrix configurations does the PXIe-2529 support?

The module can be configured as a 4×32 or 8×16 2-wire matrix using different terminal block accessories.

Does the PXIe-2529 use PXI Express?

Yes. The PXIe-2529 belongs to the PXI hardware platform and uses a PXI Express bus connection.

What are the maximum DC switching ratings?

The listed maximum DC switching current is 1 A, and the maximum DC switching voltage is 150 V. These are separate limits; consult the NI specifications for applicable load and switching-power restrictions rather than assuming both maxima can be used simultaneously.

What relay type and bandwidth does the module provide?

The PXIe-2529 uses electromechanical relays and has a specified switch bandwidth of 10 MHz.

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